C. Donnici, Daniel Henrique Máximo Filho, Leda Lúcia Cruz Moreira
Sep 1, 1998
Citations
0
Influential Citations
31
Citations
Journal
Journal of the Brazilian Chemical Society
Abstract
The preparation of key precursors for many 2,2-bipyridine derivatives such as 4,4-dicarboxy- 2,2-bipyridine (I), 6,6-dicarboxy-2,2-bipyridine- acid (II), 4,4-dinitro-2,2-bipyridine-N,N-dioxide (III), 6,6-dicarbothioamide-2,2-bipyridine (IV) and mono-N-oxide-2,2-bipyridine (VII) through more efficient methods is described. The syntheses of the novel ligands 4,4-dihydroxamic-2,2-bipyridine (V) and 6,6-dihydroxamic-2,2-bipyridine (VI) are also reported.